Answer:
Option D, A smoker choosing a quit date
Explanation:
As per the Transtheoretical Model, a person’s decision to quit smoking is taken by himself or herself. Prochaska and DiClemente (developer of Transtheoretical Model) state that due to the decision of an individual, there are few people who quit smoking easily while other do not quit smoking despite they are exposed to various treatment measure.
Hence, option D is correct
